(D4541) Premium HSS Cobalt (High Performance Stub Drill) for Steel (TiN Coated)
- SKU
- D4541020
Key features
- Designed for accurate NC/CNC drilling
- Helical thinning supports chip removal and self-centring
- Reinforced web and stub length improve rigidity
Made in South Korea
Accurate hole starting
Helical thinning provides self-centring action, improved chip removal and reduced thrust.
Rigid stub design
The reinforced web and stub length help reduce vibration and deflection.
Productive coated HSS
Premium Co8 HSS with TiN coating supports higher speeds, feeds and tool life.
| SKU | Drill Diameter (mm) | Overall length (mm) | Stock | Price | Qty | Add |
|---|---|---|---|---|---|---|
| D4541020 | 2.0 | 44.0 | Quantity unavailable | $11.80 | ||
| D4541920 | 2.05 | - | No stock | $12.80 | ||
| D4541021 | 2.1 | 44.0 | 1-2 Weeks | $11.80 | ||
| D4541921 | 2.15 | - | No stock | $12.80 | ||
| D4541022 | 2.2 | 45.0 | 1-2 Weeks | $11.80 | ||
| D4541922 | 2.25 | - | No stock | $12.80 | ||
| D4541023 | 2.3 | 45.0 | 1-2 Weeks | $11.80 | ||
| D4541923 | 2.35 | - | No stock | $12.80 | ||
| D4541024 | 2.4 | 46.0 | 1-2 Weeks | $11.80 | ||
| D4541924 | 2.45 | - | No stock | $12.80 | ||
| D4541025 | 2.5 | 46.0 | 1-2 Weeks | $10.10 | ||
| D4541925 | 2.55 | - | In stock | $12.80 | ||
| D4541026 | 2.6 | 46.0 | In stock | $11.40 | ||
| D4541926 | 2.65 | - | No stock | $12.80 | ||
| D4541027 | 2.7 | 48.0 | 1-2 Weeks | $11.40 | ||
| D4541927 | 2.75 | - | No stock | $12.80 | ||
| D4541028 | 2.8 | 48.0 | 1-2 Weeks | $11.40 | ||
| D4541928 | 2.85 | - | No stock | $12.80 | ||
| D4541029 | 2.9 | - | No stock | $11.40 | ||
| D4541929 | 2.95 | - | Low stock | $12.80 | ||
| D4541030 | 3.0 | 48.0 | In stock | $10.20 | ||
| D4541930 | 3.05 | - | No stock | $12.80 | ||
| D4541031 | 3.1 | 50.0 | 1-2 Weeks | $12.80 | ||
| D4541931 | 3.15 | - | No stock | $12.80 | ||
| D4541032 | 3.2 | - | No stock | $12.80 | ||
| D4541932 | 3.25 | - | No stock | $18.29 | ||
| D4541033 | 3.3 | 50.0 | In stock | $12.80 | ||
| D4541933 | 3.35 | - | No stock | $12.80 | ||
| D4541034 | 3.4 | 52.0 | 1-2 Weeks | $12.80 | ||
| D4541934 | 3.45 | - | No stock | $12.80 | ||
| D4541035 | 3.5 | - | In stock | $12.80 | ||
| D4541935 | 3.55 | - | No stock | $16.50 | ||
| D4541036 | 3.6 | 52.0 | Low stock | $15.30 | ||
| D4541936 | 3.65 | - | In stock | $15.30 | ||
| D4541037 | 3.7 | 52.0 | 1-2 Weeks | $15.30 | ||
| D4541937 | 3.75 | - | No stock | $15.30 | ||
| D4541038 | 3.8 | 54.0 | 1-2 Weeks | $13.80 | ||
| D4541938 | 3.85 | - | No stock | $15.30 | ||
| D4541039 | 3.9 | 54.0 | 1-2 Weeks | $15.30 | ||
| D4541939 | 3.95 | - | In stock | $15.30 | ||
| D4541040 | 4.0 | 54.0 | 1-2 Weeks | $13.80 | ||
| D4541940 | 4.05 | - | No stock | $18.20 | ||
| D4541041 | 4.1 | 66.0 | 1-2 Weeks | $18.20 | ||
| D4541941 | 4.15 | - | No stock | $18.20 | ||
| D4541042 | 4.2 | 66.0 | In stock | $16.60 | ||
| D4541942 | 4.25 | - | No stock | $18.20 | ||
| D4541043 | 4.3 | 68.0 | 1-2 Weeks | $18.20 | ||
| D4541943 | 4.35 | - | No stock | $18.20 | ||
| D4541044 | 4.4 | 68.0 | 1-2 Weeks | $18.20 | ||
| D4541944 | 4.45 | - | No stock | $21.40 | ||
| D4541045 | 4.5 | 68.0 | In stock | $21.60 | ||
| D4541945 | 4.55 | - | No stock | $21.40 | ||
| D4541046 | 4.6 | 68.0 | Low stock | $21.40 | ||
| D4541946 | 4.65 | - | No stock | $29.60 | ||
| D4541047 | 4.7 | 68.0 | Low stock | $21.40 | ||
| D4541947 | 4.75 | - | No stock | $21.40 | ||
| D4541048 | 4.8 | 70.0 | 1-2 Weeks | $21.40 | ||
| D4541948 | 4.85 | - | No stock | $21.40 | ||
| D4541049 | 4.9 | 70.0 | 1-2 Weeks | $21.40 | ||
| D4541949 | 4.95 | - | No stock | $21.40 | ||
| D4541050 | 5.0 | 70.0 | In stock | $19.20 | ||
| D4541950 | 5.05 | - | No stock | $19.20 | ||
| D4541051 | 5.1 | 70.0 | In stock | $19.20 | ||
| D4541951 | 5.15 | - | No stock | $22.30 | ||
| D4541052 | 5.2 | 70.0 | 1-2 Weeks | $22.30 | ||
| D4541952 | 5.25 | - | No stock | $24.70 | ||
| D4541053 | 5.3 | 70.0 | In stock | $24.70 | ||
| D4541953 | 5.35 | - | No stock | $24.70 | ||
| D4541054 | 5.4 | - | No stock | $24.70 | ||
| D4541954 | 5.45 | - | No stock | $22.30 | ||
| D4541055 | 5.5 | 72.0 | In stock | $22.30 | ||
| D4541955 | 5.55 | - | No stock | $28.50 | ||
| D4541056 | 5.6 | 72.0 | 1-2 Weeks | $28.50 | ||
| D4541956 | 5.65 | - | No stock | $28.50 | ||
| D4541057 | 5.7 | 72.0 | Low stock | $28.50 | ||
| D4541957 | 5.75 | - | No stock | $28.50 | ||
| D4541058 | 5.8 | - | No stock | $28.50 | ||
| D4541958 | 5.85 | - | No stock | $28.50 | ||
| D4541059 | 5.9 | 72.0 | 1-2 Weeks | $28.50 | ||
| D4541959 | 5.95 | - | No stock | $28.50 | ||
| D4541060 | 6.0 | 72.0 | In stock | $25.40 | ||
| D4541061 | 6.1 | 75.0 | In stock | $28.60 | ||
| D4541062 | 6.2 | 75.0 | In stock | $28.60 | ||
| D4541063 | 6.3 | 75.0 | In stock | $28.60 | ||
| D4541064 | 6.4 | - | No stock | $28.60 | ||
| D4541065 | 6.5 | 75.0 | In stock | $28.80 | ||
| D4541965 | 6.55 | - | No stock | $28.80 | ||
| D4541066 | 6.6 | 75.0 | 1-2 Weeks | $28.80 | ||
| D4541966 | 6.65 | - | No stock | $28.80 | ||
| D4541067 | 6.7 | 75.0 | Low stock | $28.80 | ||
| D4541068 | 6.8 | 78.0 | In stock | $28.80 | ||
| D4541069 | 6.9 | 78.0 | 1-2 Weeks | $28.80 | ||
| D4541070 | 7.0 | 78.0 | In stock | $27.30 | ||
| D4541071 | 7.1 | - | In stock | $29.50 | ||
| D4541072 | 7.2 | 78.0 | In stock | $29.50 | ||
| D4541073 | 7.3 | 78.0 | 1-2 Weeks | $29.50 | ||
| D4541973 | 7.35 | - | No stock | $29.50 | ||
| D4541074 | 7.4 | 78.0 | Low stock | $29.50 | ||
| D4541075 | 7.5 | 78.0 | 1-2 Weeks | $29.50 | ||
| D4541975 | 7.55 | - | No stock | $32.90 | ||
| D4541076 | 7.6 | 81.0 | 1-2 Weeks | $32.90 | ||
| D4541976 | 7.65 | - | No stock | $32.90 | ||
| D4541077 | 7.7 | 81.0 | 1-2 Weeks | $32.90 | ||
| D4541078 | 7.8 | 81.0 | 1-2 Weeks | $32.90 | ||
| D4541079 | 7.9 | 81.0 | 1-2 Weeks | $32.90 | ||
| D4541080 | 8.0 | 81.0 | Low stock | $31.10 | ||
| D4541081 | 8.1 | 87.0 | In stock | $33.90 | ||
| D4541082 | 8.2 | - | In stock | $33.90 | ||
| D4541083 | 8.3 | 87.0 | 1-2 Weeks | $33.90 | ||
| D4541983 | 8.35 | - | No stock | $33.90 | ||
| D4541084 | 8.4 | - | No stock | $33.90 | ||
| D4541085 | 8.5 | 87.0 | In stock | $37.90 | ||
| D4541985 | 8.55 | - | No stock | $30.50 | ||
| D4541086 | 8.6 | 90.0 | In stock | $37.90 | ||
| D4541986 | 8.65 | - | No stock | $37.90 | ||
| D4541087 | 8.7 | 90.0 | In stock | $37.90 | ||
| D4541088 | 8.8 | 90.0 | In stock | $37.90 | ||
| D4541089 | 8.9 | 90.0 | 1-2 Weeks | $37.90 | ||
| D4541090 | 9.0 | 90.0 | 1-2 Weeks | $37.90 | ||
| D4541091 | 9.1 | 90.0 | 1-2 Weeks | $42.20 | ||
| D4541092 | 9.2 | 90.0 | 1-2 Weeks | $42.20 | ||
| D4541992 | 9.25 | - | No stock | $42.20 | ||
| D4541093 | 9.3 | 90.0 | 1-2 Weeks | $42.20 | ||
| D4541993 | 9.35 | - | No stock | $42.20 | ||
| D4541094 | 9.4 | - | No stock | $42.20 | ||
| D4541994 | 9.45 | - | No stock | $38.80 | ||
| D4541095 | 9.5 | 90.0 | In stock | $42.20 | ||
| D4541995 | 9.55 | - | No stock | $47.70 | ||
| D4541096 | 9.6 | - | In stock | $47.70 | ||
| D4541996 | 9.65 | - | No stock | $47.70 | ||
| D4541097 | 9.7 | - | No stock | $47.70 | ||
| D4541098 | 9.8 | 93.0 | In stock | $47.70 | ||
| D4541099 | 9.9 | 93.0 | 1-2 Weeks | $47.70 | ||
| D4541999 | 9.95 | - | No stock | $47.70 | ||
| D4541100 | 10.0 | 93.0 | In stock | $47.70 | ||
| D4541101 | 10.1 | 100.0 | In stock | $55.30 | ||
| D4541102 | 10.2 | 100.0 | In stock | $49.10 | ||
| D4541802 | 10.25 | - | No stock | $49.10 | ||
| D4541103 | 10.3 | 100.0 | In stock | $55.30 | ||
| D4541803 | 10.35 | - | No stock | $49.10 | ||
| D4541104 | 10.4 | - | No stock | $55.30 | ||
| D4541105 | 10.5 | - | In stock | $55.30 | ||
| D4541805 | 10.55 | - | No stock | $53.80 | ||
| D4541106 | 10.6 | 100.0 | Low stock | $58.40 | ||
| D4541806 | 10.65 | - | No stock | $53.80 | ||
| D4541107 | 10.7 | 104.0 | Low stock | $58.40 | ||
| D4541108 | 10.8 | 104.0 | Low stock | $58.40 | ||
| D4541109 | 10.9 | 104.0 | 1-2 Weeks | $58.40 | ||
| D4541809 | 10.95 | - | No stock | $53.80 | ||
| D4541110 | 11.0 | - | In stock | $58.40 | ||
| D4541111 | 11.1 | 104.0 | 1-2 Weeks | $64.40 | ||
| D4541112 | 11.2 | 104.0 | 1-2 Weeks | $64.40 | ||
| D4541812 | 11.25 | - | No stock | $60.20 | ||
| D4541113 | 11.3 | 104.0 | 1-2 Weeks | $64.40 | ||
| D4541813 | 11.35 | - | No stock | $60.20 | ||
| D4541114 | 11.4 | 104.0 | 1-2 Weeks | $64.40 | ||
| D4541115 | 11.5 | 104.0 | Low stock | $55.10 | ||
| D4541815 | 11.55 | - | No stock | $65.20 | ||
| D4541116 | 11.6 | 104.0 | 1-2 Weeks | $67.80 | ||
| D4541117 | 11.7 | - | In stock | $67.80 | ||
| D4541118 | 11.8 | 104.0 | In stock | $67.80 | ||
| D4541119 | 11.9 | 108.0 | 1-2 Weeks | $67.80 | ||
| D4541120 | 12.0 | 108.0 | Low stock | $67.80 | ||
| D4541121 | 12.1 | 108.0 | 1-2 Weeks | $70.90 | ||
| D4541122 | 12.2 | 108.0 | In stock | $70.90 | ||
| D4541123 | 12.3 | - | No stock | $70.90 | ||
| D4541124 | 12.4 | 108.0 | 1-2 Weeks | $70.90 | ||
| D4541125 | 12.5 | 108.0 | In stock | $70.90 | ||
| D4541126 | 12.6 | 108.0 | Low stock | $87.10 | ||
| D4541127 | 12.7 | 108.0 | In stock | $87.10 | ||
| D4541128 | 12.8 | 108.0 | 1-2 Weeks | $87.10 | ||
| D4541129 | 12.9 | 108.0 | 1-2 Weeks | $87.10 | ||
| D4541130 | 13.0 | 108.0 | In stock | $87.10 |
Add (D4541) Premium HSS Cobalt (High Performance Stub Drill) for Steel (TiN Coated) to comparison
View Comparison- Overview
- Specifications
- Work Material
- Reviews
YG-1 D4541 Premium HSS Co8 HPD twist drills are TiN-coated stub drills for steels, built for accurate NC/CNC drilling. Helical thinning supports chip removal and self-centring, reducing thrust while improving drilling accuracy. Reinforced web and stub geometry increase rigidity while reducing vibration and deflection in demanding operations. Premium cobalt HSS and a superior TiN coating support higher speeds, feeds, tool life, surface finish and productivity. The listed series covers 2.00 to 13.00 mm drill diameters, with flute and overall lengths varying by diameter. It is suited to hard and tough materials including alloyed tool steels, cast iron and aluminium die casting.
- Designed for accurate NC/CNC drilling
- Helical thinning supports chip removal and self-centring
- Reinforced web and stub length improve rigidity
- Premium Co8 HSS with superior TiN coating
- Higher speeds and feeds with longer tool life
- 2.00 to 13.00 mm drill diameter range
| Surface Treatment | Titanium Nitride Coating |
Work materials
VDI 3323 recommendations for this tool.
Steel
6 gradesCast iron
1 gradeVDI grade reference7 grades
Individual grade ratings and nominal hardness references. Base grades and decimal subgrades are listed separately.
| VDI | Work material | Recommendation | HB ref. | HRC ref. |
|---|---|---|---|---|
| 1 | PNon-alloy steel | Excellent | 125 | - |
| 2 | PNon-alloy steel | Excellent | 190 | 13 |
| 3 | PNon-alloy steel | Good | 250 | 25 |
| 6 | PLow-alloy steel | Excellent | 180 | 10 |
| 7 | PLow-alloy steel | Good | 275 | 29 |
| 10 | PHigh-alloy and tool steel | Good | 200 | 15 |
| 15 | KGrey cast iron | Excellent | 180 | 10 |
No grades match your search.
HB and HRC values are nominal catalogue references. Grade subdivisions can vary between catalogues.
Recommendations apply to the listed VDI grades. Unlisted grades have no stated recommendation.
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